/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --clr-primary:    #c12537;
  --clr-primary-dk: #9e1e2d;
  --clr-dark:       #3a3b3d;
  --clr-bg:         #efefef;
  --clr-bg-alt:     #ffffff;
  --clr-text:       #3a3b3d;
  --clr-text-muted: #6b6c6e;
  --clr-border:     #d5d5d5;
  --clr-error:      #c12537;
  --clr-success:    #1a7a3f;
  --radius:         8px;
  --shadow:         0 2px 12px rgba(0,0,0,.08);
  --transition:     .2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--clr-text);
  background: var(--clr-bg);
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--clr-bg-alt);
  border-bottom: 1px solid var(--clr-border);
  box-shadow: var(--shadow);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--clr-primary);
  letter-spacing: .5px;
}

.nav { display: flex; gap: 32px; }

.nav a {
  text-decoration: none;
  color: var(--clr-text-muted);
  font-weight: 500;
  transition: color var(--transition);
}

.nav a:hover { color: var(--clr-primary); }

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, #3a3b3d 0%, #c12537 100%);
  color: #fff;
  padding: 120px 0 100px;
  text-align: center;
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero__subtitle {
  font-size: 1.125rem;
  opacity: .85;
  max-width: 560px;
  margin: 0 auto 36px;
}

/* ===== BUTTON ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
}

.btn--primary {
  background: var(--clr-primary);
  color: #fff;
}

.btn--primary:hover {
  background: var(--clr-primary-dk);
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: .6;
  cursor: not-allowed;
  transform: none;
}

/* ===== SECTIONS ===== */
.section { padding: 80px 0; }
.section--alt { background: var(--clr-bg-alt); }

.section__title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--clr-text);
}

.section__text {
  color: var(--clr-text-muted);
  max-width: 680px;
  margin-bottom: 40px;
}

/* ===== CARDS ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--clr-bg-alt);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,.12);
}

.card__icon { font-size: 2.25rem; margin-bottom: 16px; }

.card__title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.card__text { color: var(--clr-text-muted); font-size: .9375rem; }

/* ===== FORM ===== */
.form {
  max-width: 720px;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 600px) {
  .form__row { grid-template-columns: 1fr; }
}

.form__group { margin-bottom: 20px; }

.form__label {
  display: block;
  font-weight: 500;
  font-size: .9375rem;
  margin-bottom: 6px;
  color: var(--clr-text);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius);
  font-size: .9375rem;
  font-family: inherit;
  color: var(--clr-text);
  background: var(--clr-bg-alt);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(0,120,212,.15);
}

.form__input.is-invalid,
.form__textarea.is-invalid {
  border-color: var(--clr-error);
}

.form__textarea { resize: vertical; min-height: 120px; }

.form__error {
  display: block;
  font-size: .8125rem;
  color: var(--clr-error);
  margin-top: 5px;
  min-height: 18px;
}

.form__footer { margin-top: 8px; }

/* ===== ALERT ===== */
.form__alert {
  margin-top: 20px;
  padding: 14px 18px;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: .9375rem;
}

.form__alert--success {
  background: #e6f4ea;
  color: var(--clr-success);
  border: 1px solid #b7dfc3;
}

.form__alert--error {
  background: #fce8e6;
  color: var(--clr-error);
  border: 1px solid #f5c6c2;
}

/* ===== SPINNER ===== */
.spinner {
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===== FOOTER ===== */
.footer {
  background: #3a3b3d;
  color: rgba(255,255,255,.6);
  padding: 28px 0;
  text-align: center;
  font-size: .875rem;
}

/* ===== UTILITIES ===== */
.hidden { display: none !important; }

/* ===== HERO — ТЗ версия ===== */
.hero--tz {
  position: relative;
  background: linear-gradient(135deg, #3a3b3d 0%, #c12537 100%);
  color: #fff;
  padding: 0;
  text-align: left;
  overflow: hidden;
}

.hero--tz .hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 48px;
  min-height: 560px;
  padding: 80px 24px;
}

.hero__eyebrow {
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: .75;
  margin-bottom: 16px;
}

.hero__title--tz {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
}

.hero__tagline {
  font-size: 1.0625rem;
  opacity: .85;
  margin-bottom: 24px;
  font-style: italic;
}

.hero__bullets {
  list-style: none;
  margin-bottom: 36px;
}

.hero__bullets li {
  padding: 5px 0 5px 24px;
  position: relative;
  opacity: .9;
  font-size: .9375rem;
}

.hero__bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 13px;
  width: 8px;
  height: 8px;
  background: #fff;
  border-radius: 50%;
}

.hero__image {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__image img {
  width: 100%;
  max-width: 480px;
  border-radius: 12px;
  opacity: .3;
  filter: grayscale(1);
  object-fit: cover;
  height: 360px;
}

.hero__image-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  gap: 10px;
}

.hero__image-label {
  font-size: .875rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  opacity: .7;
}

/* ===== PAIN SECTION ===== */
.pain {
  background: #3a3b3d;
  color: #fff;
  padding: 80px 0;
}

.pain__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.pain__item {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.pain__item-icon {
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.pain__item p {
  font-size: .9375rem;
  opacity: .85;
  line-height: 1.5;
}

/* ===== SPLIT SECTION (WHAT WE DO / DON'T) ===== */
.split {
  padding: 80px 0;
  background: var(--clr-bg-alt);
}

.split__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.split__col {
  padding: 48px 40px;
}

.split__col--do {
  background: #fff;
  border-right: 1px solid var(--clr-border);
}

.split__col--dont {
  background: var(--clr-bg);
}

.split__label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.split__label--do {
  background: rgba(193,37,55,.1);
  color: var(--clr-primary);
}

.split__label--dont {
  background: rgba(58,59,61,.1);
  color: var(--clr-dark);
}

.split__title {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--clr-text);
}

.split__intro {
  color: var(--clr-text-muted);
  margin-bottom: 24px;
  font-size: .9375rem;
  line-height: 1.6;
}

.split__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.split__list li {
  padding-left: 24px;
  position: relative;
  font-size: .9375rem;
  color: var(--clr-text-muted);
  line-height: 1.5;
}

.split__list--do li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--clr-primary);
  font-weight: 700;
}

.split__list--dont li::before {
  content: '✕';
  position: absolute;
  left: 0;
  color: var(--clr-text-muted);
  font-weight: 700;
}

/* ===== HOW IT'S INTRODUCED — DIAGRAM ===== */
.intro-diagram {
  padding: 80px 0;
  background: var(--clr-bg);
}

.intro-diagram__steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: 48px;
  position: relative;
}

.intro-diagram__steps::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 32px;
  right: 32px;
  height: 2px;
  background: var(--clr-border);
  z-index: 0;
}

.diagram-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 8px;
}

.diagram-step__num {
  width: 64px;
  height: 64px;
  background: var(--clr-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 16px;
  flex-shrink: 0;
}

.diagram-step__title {
  font-size: .875rem;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 6px;
}

.diagram-step__text {
  font-size: .8125rem;
  color: var(--clr-text-muted);
  line-height: 1.4;
}

/* ===== MODULES ===== */
.modules {
  padding: 80px 0;
  background: var(--clr-bg-alt);
}

.modules__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 40px;
}

.module-chip {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: .9375rem;
  font-weight: 500;
  color: var(--clr-text);
  display: flex;
  align-items: center;
  gap: 10px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.module-chip:hover {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 2px rgba(193,37,55,.1);
}

.module-chip__dot {
  width: 8px;
  height: 8px;
  background: var(--clr-primary);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ===== APPROACH ===== */
.approach {
  padding: 80px 0;
  background: var(--clr-bg);
}

.approach__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.approach__image img {
  width: 100%;
  border-radius: 12px;
  opacity: .25;
  filter: grayscale(1);
  object-fit: cover;
  height: 320px;
}

.approach__image {
  position: relative;
}

.approach__image-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-text-muted);
  font-size: .875rem;
  font-style: italic;
  text-align: center;
  padding: 16px;
}

.approach__points {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.approach__point {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.approach__point-num {
  width: 36px;
  height: 36px;
  background: var(--clr-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .875rem;
  flex-shrink: 0;
}

.approach__point-text {
  padding-top: 6px;
  font-size: .9375rem;
  color: var(--clr-text-muted);
  line-height: 1.55;
}

.approach__point-text strong {
  display: block;
  color: var(--clr-text);
  font-weight: 600;
  margin-bottom: 2px;
}

/* ===== FINAL CTA ===== */
.final-cta {
  background: linear-gradient(135deg, #3a3b3d 0%, #c12537 100%);
  color: #fff;
  padding: 100px 0;
  text-align: center;
}

.final-cta__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.final-cta__sub {
  font-size: 1rem;
  opacity: .8;
  max-width: 560px;
  margin: 0 auto 12px;
}

.final-cta__pills {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 40px;
}

.final-cta__pill {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 20px;
  padding: 6px 18px;
  font-size: .875rem;
  color: #fff;
}

.btn--white {
  background: #fff;
  color: var(--clr-primary);
  font-weight: 700;
}

.btn--white:hover {
  background: var(--clr-bg);
  transform: translateY(-1px);
}

/* ===== STICKY CTA (mobile) ===== */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  padding: 12px 20px;
  background: #fff;
  box-shadow: 0 -2px 12px rgba(0,0,0,.12);
  display: none;
}

.sticky-cta .btn {
  width: 100%;
  justify-content: center;
}

/* ===== ACCORDION (mobile) ===== */
.accordion__item {
  border-bottom: 1px solid var(--clr-border);
}

.accordion__trigger {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 18px 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: inherit;
}

.accordion__icon {
  font-size: 1.25rem;
  font-weight: 300;
  transition: transform var(--transition);
  color: var(--clr-primary);
}

.accordion__item.open .accordion__icon {
  transform: rotate(45deg);
}

.accordion__body {
  display: none;
  padding-bottom: 16px;
  color: var(--clr-text-muted);
  font-size: .9375rem;
  line-height: 1.6;
}

.accordion__item.open .accordion__body {
  display: block;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero--tz .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    min-height: auto;
    padding: 60px 24px 48px;
  }

  .hero__image { display: none; }

  .hero__bullets { text-align: left; display: inline-block; }

  .split__inner {
    grid-template-columns: 1fr;
  }

  .split__col--do {
    border-right: none;
    border-bottom: 1px solid var(--clr-border);
  }

  .intro-diagram__steps {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .intro-diagram__steps::before { display: none; }

  .diagram-step {
    flex-direction: row;
    text-align: left;
    gap: 16px;
  }

  .diagram-step__num { margin-bottom: 0; }

  .approach__inner {
    grid-template-columns: 1fr;
  }

  .approach__image { display: none; }

  .sticky-cta { display: block; }

  .section { padding: 56px 0; }
}

/* ===== COOKIE CONSENT BANNER ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 300;
  background: #fff;
  border-top: 2px solid var(--clr-primary);
  box-shadow: 0 -4px 24px rgba(0,0,0,.12);
  padding: 20px 0;
}

.cookie-banner__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-banner__text {
  flex: 1;
  font-size: .9375rem;
  color: var(--clr-text-muted);
  min-width: 260px;
}

.cookie-banner__link {
  color: var(--clr-primary);
  white-space: nowrap;
}

.cookie-banner__actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

.cookie-banner__btn {
  padding: 10px 22px;
  font-size: .9375rem;
}

.cookie-banner__btn--decline {
  background: transparent;
  color: var(--clr-text-muted);
  border: 1.5px solid var(--clr-border);
}

.cookie-banner__btn--decline:hover {
  background: var(--clr-bg);
  border-color: var(--clr-text-muted);
  transform: none;
}

@media (max-width: 600px) {
  .cookie-banner__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}